Fireproof safe.



v... .,v, uw |||u|LUHUN AND RELATED DEVICES.

P. ADOLPHS.

FIBEPROOP SAFE. APPLICATION FILED AIR. 29,1903.

944,007. Patented Deo. 21, 1909.

PETER ADOLPHS, F RATINGEN, NEAR DUSSELDORF, GERMANY.

FIREPROOF SAFE.

Specification of Letters Patent.

944,007. Patented Deo. 21, 1909.

Application led April 29, 1908. Serial N o. 430,032.

To all whom t may concern: quence of the iron becoming red-hot. If a Be it known that I, PETER AnoLrHs, a subsuitable metal such as steel or iron be chosen ject of the Emperor of Germany, residing at for the casing, the safe, or the like, will at Ratingen, near Dusseldorf, Germany, have the same time be secure against thieves.

invented certain new and useful Improve- As a matter of course boxes can be arments in Fireprooll Safes, of which the olranged in the safe. The safe is admirably lowing is a speciiication. suited for use as a money safe, as a safe for The invention relates to a safe which is keeping business books and for depositing reproof to such an extent that the contents valuable articles. It is relatively light, has thereof are preserved from damage even in a proportionately large interior space and the case of the most disastrous tire. can be made at a small expense.

The new safe is illustrated in the aecom- The resisting power of this safe to exceppanying drawing in cross section. tionally great heat can be increasedbyplacing According to this invention the safe is in it a second lining of impregnated wood el l5 constructed partly of wood e impregnated in such a manner that around the side walls with a liquid or other substance for proteetand the back one, on the inside a space f reing it against being consumed by fire, and mains, which may be filled with impregnated the wood is provided with a fire-prooi coatinsulating material or the like. rThe door is ing CZ, so that it is incombustible. The safe still further strengthened and secured by is then covered with pasteboard c, or'"woven means of impregnated wood.

material impregnated to render it incom I am aware that safes have been coubustible, or some other suitable fire proof structed heretofore with surrounding air substance, whereupon it is provided with a spaces between the walls, and with insusheet metal casing a which is so arranged, lating studs to keep the walls at the required and supported by iireproof material, that a distance apart, and I lay no claim to such.

hollow space b is left between the casing a Having now particularly described my and the wooden walls e with the coating l said 1nvention,I declare that what I claim is: and covering 0. The door and the door A tire-proof safe, comprising an outer opening are so arranged, that on the inside metallic casing, linings of impregnated wood rests against wood. wood, impregnated insulating material tll- A safe made in this manner can be brought ing the space between said linings, and a at least to the brightest red-heat without the covering ot' incombustible material outside wood, still less the contents of the safe being the outer lining with an air space between damaged, because any penetration of the the same and the outer casing. 00 heat is prevented by the air space b, the cov- PETER ADOLPH ermg c and the wood impregnated so as to form a bad conductor of heat. As, also on Witnesses: the door, wood rests against wood here again PETER LIEBER, the heat cannot extend inward in conse- OsKAR KNZELL. 

